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Determine Coordinate System - General
Transformation Characteristic
Area
Points and trans-
formation parame-
ters
Points and height
transformation
Advantage
Description
•
Parameters of a pre-transformation.
Virtually any area as long as the local coordinates
are accurate.
Identical with the Onestep transformation.
Identical with the Onestep transformation.
•
Errors in height do not propagate into errors in
position since the height and position transforma-
tions are separated.
•
If local heights have low accuracy or do not exist,
a transformation of position can still be calculated
and vice versa.
•
The height points and position points do not have
to be the same points.
•
Fits much better over larger areas than a
Onestep transformation. Reason:
GPS1200+
940
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